Dec 05 19:00:44.015 INFO testing k-masatany/rust_self_study against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 19:00:44.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 19:00:44.944 INFO [stdout] 2fbd371e58965c5a8124c6a10d96681f57d93b650abd55ba2f3edfc43d079dbb
Dec 05 19:00:44.946 INFO running `"docker" "start" "-a" "2fbd371e58965c5a8124c6a10d96681f57d93b650abd55ba2f3edfc43d079dbb"`
Dec 05 19:00:45.309 INFO [stderr] usermod: no changes
Dec 05 19:00:45.340 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 05 19:00:45.632 INFO [stderr] warning: unused variable: `n`
Dec 05 19:00:45.632 INFO [stderr]  --> src/main.rs:7:9
Dec 05 19:00:45.632 INFO [stderr]   |
Dec 05 19:00:45.632 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 05 19:00:45.632 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 05 19:00:45.632 INFO [stderr]   |
Dec 05 19:00:45.632 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 19:00:45.632 INFO [stderr] 
Dec 05 19:00:45.641 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 05 19:00:45.641 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 05 19:00:45.641 INFO [stderr]   |
Dec 05 19:00:45.641 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 05 19:00:45.641 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:45.641 INFO [stderr]   |
Dec 05 19:00:45.641 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 19:00:45.641 INFO [stderr] 
Dec 05 19:00:45.642 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 05 19:00:45.642 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 05 19:00:45.642 INFO [stderr]   |
Dec 05 19:00:45.642 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 05 19:00:45.642 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:45.642 INFO [stderr] 
Dec 05 19:00:45.642 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 05 19:00:45.642 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 05 19:00:45.642 INFO [stderr]   |
Dec 05 19:00:45.642 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 05 19:00:45.642 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:45.642 INFO [stderr] 
Dec 05 19:00:45.642 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 05 19:00:45.642 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 05 19:00:45.642 INFO [stderr]   |
Dec 05 19:00:45.642 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 05 19:00:45.642 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:45.642 INFO [stderr] 
Dec 05 19:00:45.642 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 05 19:00:45.642 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 05 19:00:45.642 INFO [stderr]   |
Dec 05 19:00:45.642 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 05 19:00:45.642 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:45.642 INFO [stderr] 
Dec 05 19:00:45.642 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 05 19:00:45.642 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 05 19:00:45.642 INFO [stderr]   |
Dec 05 19:00:45.642 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 05 19:00:45.642 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:45.642 INFO [stderr] 
Dec 05 19:00:45.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 05 19:00:45.973 INFO [stderr] su: No module specific data is present
Dec 05 19:00:46.272 INFO running `"docker" "inspect" "2fbd371e58965c5a8124c6a10d96681f57d93b650abd55ba2f3edfc43d079dbb"`
Dec 05 19:00:46.355 INFO running `"docker" "rm" "-f" "2fbd371e58965c5a8124c6a10d96681f57d93b650abd55ba2f3edfc43d079dbb"`
Dec 05 19:00:46.428 INFO [stdout] 2fbd371e58965c5a8124c6a10d96681f57d93b650abd55ba2f3edfc43d079dbb
Dec 05 19:00:46.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 19:00:46.645 INFO [stdout] 418b16228ba231d920217af9e9decfa01f4be0f52c01211807d92919a13cee45
Dec 05 19:00:46.647 INFO running `"docker" "start" "-a" "418b16228ba231d920217af9e9decfa01f4be0f52c01211807d92919a13cee45"`
Dec 05 19:00:46.964 INFO [stderr] usermod: no changes
Dec 05 19:00:46.993 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 05 19:00:47.234 INFO [stderr] warning: unused variable: `n`
Dec 05 19:00:47.234 INFO [stderr]  --> src/main.rs:7:9
Dec 05 19:00:47.234 INFO [stderr]   |
Dec 05 19:00:47.234 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 05 19:00:47.234 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 05 19:00:47.234 INFO [stderr]   |
Dec 05 19:00:47.234 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 19:00:47.234 INFO [stderr] 
Dec 05 19:00:47.252 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 05 19:00:47.252 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 05 19:00:47.252 INFO [stderr]   |
Dec 05 19:00:47.252 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 05 19:00:47.252 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:47.252 INFO [stderr]   |
Dec 05 19:00:47.252 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 19:00:47.252 INFO [stderr] 
Dec 05 19:00:47.252 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 05 19:00:47.252 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 05 19:00:47.252 INFO [stderr]   |
Dec 05 19:00:47.252 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 05 19:00:47.252 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:47.252 INFO [stderr] 
Dec 05 19:00:47.252 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 05 19:00:47.252 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 05 19:00:47.252 INFO [stderr]   |
Dec 05 19:00:47.252 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 05 19:00:47.252 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:47.252 INFO [stderr] 
Dec 05 19:00:47.252 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 05 19:00:47.252 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 05 19:00:47.252 INFO [stderr]   |
Dec 05 19:00:47.252 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 05 19:00:47.252 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:47.252 INFO [stderr] 
Dec 05 19:00:47.252 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 05 19:00:47.252 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 05 19:00:47.252 INFO [stderr]   |
Dec 05 19:00:47.252 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 05 19:00:47.252 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:47.252 INFO [stderr] 
Dec 05 19:00:47.252 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 05 19:00:47.252 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 05 19:00:47.252 INFO [stderr]   |
Dec 05 19:00:47.252 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 05 19:00:47.252 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:47.252 INFO [stderr] 
Dec 05 19:00:47.440 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 05 19:00:47.440 INFO [stderr] su: No module specific data is present
Dec 05 19:00:47.731 INFO running `"docker" "inspect" "418b16228ba231d920217af9e9decfa01f4be0f52c01211807d92919a13cee45"`
Dec 05 19:00:47.838 INFO running `"docker" "rm" "-f" "418b16228ba231d920217af9e9decfa01f4be0f52c01211807d92919a13cee45"`
Dec 05 19:00:47.945 INFO [stdout] 418b16228ba231d920217af9e9decfa01f4be0f52c01211807d92919a13cee45
Dec 05 19:00:47.947 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 19:00:48.168 INFO [stdout] d62a53eceb5b10a1f40315e3fba1a9247313ef276c0bb93d18ad4b81201a2287
Dec 05 19:00:48.170 INFO running `"docker" "start" "-a" "d62a53eceb5b10a1f40315e3fba1a9247313ef276c0bb93d18ad4b81201a2287"`
Dec 05 19:00:48.654 INFO [stderr] usermod: no changes
Dec 05 19:00:48.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 19:00:48.693 INFO [stderr]      Running /target/debug/deps/rust_self_study-6e5fbb74951ad18f
Dec 05 19:00:48.704 INFO [stdout] 
Dec 05 19:00:48.704 INFO [stdout] running 0 tests
Dec 05 19:00:48.704 INFO [stdout] 
Dec 05 19:00:48.704 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:00:48.704 INFO [stdout] 
Dec 05 19:00:48.708 INFO [stderr] su: No module specific data is present
Dec 05 19:00:49.426 INFO running `"docker" "inspect" "d62a53eceb5b10a1f40315e3fba1a9247313ef276c0bb93d18ad4b81201a2287"`
Dec 05 19:00:49.654 INFO running `"docker" "rm" "-f" "d62a53eceb5b10a1f40315e3fba1a9247313ef276c0bb93d18ad4b81201a2287"`
Dec 05 19:00:49.912 INFO [stdout] d62a53eceb5b10a1f40315e3fba1a9247313ef276c0bb93d18ad4b81201a2287